{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "RNA", "cell line", "cell type", "DNA"], "input": "Expression of the human RAR-alpha in receptor-negative erythroblasts conferred RA -induced regulation of differentiation to the otherwise unresponsive cells , thus showing that the RAR-alpha is essential for the RA effect ."}
{"protein": ["human RAR-alpha", "RAR-alpha"], "RNA": [], "cell line": ["receptor-negative erythroblasts"], "cell type": ["unresponsive cells"], "DNA": []}